Taylor Swift performs onstage during the 2015 iHeartRadio Music Awards which broadcasted live on NBC from The Shrine Auditorium on March 29, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images for iHeartMedia)

Taylor Swift accepts the Artist of the Year award onstage during the 2015 iHeartRadio Music Awards which broadcasted live on NBC from The Shrine Auditorium on March 29, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images for iHeartMedia)

Taylor Swift (L) accepts the Song of the Year award for ‘Shake It Off’ from singer Madonna onstage during the 2015 iHeartRadio Music Awards which broadcasted live on NBC from The Shrine Auditorium on March 29, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images for iHeartMedia)

Taylor Swift (L) accepts the Song of the Year award for 'Shake It Off' from singer Madonna onstage during the 2015 iHeartRadio Music Awards which broadcasted live on NBC from The Shrine Auditorium on March 29, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images for iHeartMedia)

Madonna (L) and Taylor Swift perform ‘Ghost Town’ onstage during the 2015 iHeartRadio Music Awards which broadcasted live on NBC from The Shrine Auditorium on March 29, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images for iHeartMedia)

Madonna (L) and Taylor Swift perform ‘Ghost Town’ onstage during the 2015 iHeartRadio Music Awards which broadcasted live on NBC from The Shrine Auditorium on March 29, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images for iHeartMedia)

Madonna (L) and Taylor Swift perform onstage during the 2015 iHeartRadio Music Awards which broadcasted live on NBC from The Shrine Auditorium on March 29, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images for iHeartMedia)

Madonna (L) and Taylor Swift perform ‘Ghost Town’ onstage during the 2015 iHeartRadio Music Awards which broadcasted live on NBC from The Shrine Auditorium on March 29, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images for iHeartMedia)

Taylor Swift (L) and host Jamie Foxx speak at the 2015 iHeartRadio Music Awards which broadcasted live on NBC from The Shrine Auditorium on March 29, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images for iHeartMedia)

Taylor Swift accepts the Best Lyrics award for ‘Blank Space’ onstage during the 2015 iHeartRadio Music Awards which broadcasted live on NBC from The Shrine Auditorium on March 29, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images for iHeartMedia)

Taylor Swift (L) reacts to winning the Best Lyrics award for ‘Blank Space’ with singer Justin Timberlake in the audience during the 2015 iHeartRadio Music Awards which broadcasted live on NBC from The Shrine Auditorium on March 29, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images for iHeartMedia)

Taylor Swift (L) reacts to winning the Best Lyrics award for ‘Blank Space’ with singer Justin Timberlake in the audience during the 2015 iHeartRadio Music Awards which broadcasted live on NBC from The Shrine Auditorium on March 29, 2015 in Los Angeles, California. (Photo by Kevin Winter/Getty Images for iHeartMedia)

Taylor Swift, wearing Kaufmanfranco, attends the 2015 iHeartRadio Music Awards which broadcasted live on NBC from The Shrine Auditorium on March 29, 2015 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images for iHeartMedia)

Kenny Chesney and Taylor Swift perform onstage during Kenny Chesney's The Big Revival 2015 Tour kick-off for a 55 show run through August. The high-energy opening night included 2½ hours of music, including five songs from his #1 The Big Revival, surprise guests and a leaner, cleaner stage and 2.3 million pixel screen that gave the sold out house the best view theyve ever had of the 8-time Entertainer of the Year at the Bridgestone Arena on March 26, 2015 in Nashville, Tennessee (Photo by Rick Diamond/Getty Images for Kenny Chesney)

Kenny Chesney and Taylor Swift perform onstage during Kenny Chesney’s The Big Revival 2015 Tour kick-off for a 55 show run through August. The high-energy opening night included 2½ hours of music, including five songs from his #1 The Big Revival, surprise guests and a leaner, cleaner stage and 2.3 million pixel screen that gave the sold out house the best view theyve ever had of the 8-time Entertainer of the Year at the Bridgestone Arena on March 26, 2015 in Nashville, Tennessee (Photo by Rick Diamond/Getty Images for Kenny Chesney)

Taylor Swift performs during New Year’s Eve 2015 in Times Square at Times Square on December 31, 2014 in New York City. (Photo by Michael Stewart/WireImage)

Taylor Swift performs during New Year’s Eve 2015 in Times Square at Times Square on December 31, 2014 in New York City. (Photo by Michael Stewart/WireImage)

Taylor Swift, NYC, Dec. 26, 2014 (SplashNews)

Taylor Swift, NYC, Dec. 26, 2014 (SplashNews)

Taylor Swift seen heading to Hugh Jackman’s Broadway play The River, with her father, mother and brother in NYC on December 24, 2014 (SplashNews)

Taylor Swift out in NYC with her brother Austin on December 22, 2014 (SplashNews)

Taylor Swift out in NYC with her brother Austin on December 22, 2014 (SplashNews)

Taylor Swift out in NYC with her brother Austin on December 22, 2014 (SplashNews)

Taylor Swift in SoHo, New York City on December 20, 2014 (SplashNews)

Taylor Swift performs onstage during iHeartRadio Jingle Ball 2014, hosted by Z100 New York and presented by Goldfish Puffs at Madison Square Garden on December 12, 2014 in New York City. (Photo by Kevin Kane/Getty Images for iHeartMedia)

Taylor Swift in Reem Acra, attends z100s Jingle Ball on December 12, 2014 in New York City. (Photo by Jim Spellman/WireImage)

Taylor Swift attends the 2014 Billboard Women In Music Luncheon at Cipriani Wall Street on December 12, 2014 in New York City. (Photo by D Dipasupil/FilmMagic)